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 A165019 Consider the base-4 Kaprekar map n->K(n) defined in A165012. Sequence gives numbers belonging to cycles of length greater than 1 14
 126, 138, 570, 765, 41958, 42966, 57333, 2788950, 3489705, 3833685, 178846038, 240385701, 245890389, 11451491670, 15657335445, 15745414485, 732979762518, 1006431627861, 1007840908629, 46912048616790, 64481417734485 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Initial terms in base 4: 1332, 2022, 20322, 23331, 22033212, 22133112, 31333311, 22220321112, 31103332221, 32213331111. LINKS Joseph Myers, Table of n, a(n) for n=1..199 Index entries for the Kaprekar map CROSSREFS Cf. A165012, A165020, A165016, A165017, A165021, A165023, A165030. In other bases: Empty (base 2), A165000 (base 3), A165039 (base 5), A165058 (base 6), A165078 (base 7), A165097 (base 8), A165117 (base 9), A099010 (base 10). Sequence in context: A216063 A114856 A326891 * A025388 A025389 A025380 Adjacent sequences: A165016 A165017 A165018 * A165020 A165021 A165022 KEYWORD base,nonn AUTHOR Joseph Myers, Sep 04 2009 STATUS approved

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Last modified June 15 08:58 EDT 2024. Contains 373402 sequences. (Running on oeis4.)